With his sporting ambition______ and ________ to succeed in his new life, Li Ning decided to launch a new brand of sportswear, competing with global giants like Nike and Adidas.

A. to achieve; determined

B. to be achieved; determining

C. achieved; determining

C. to be achieved; determined

把aL硫酸铵和硝酸铵的混合液分成两等份，一份加入bmol 烧碱并加热，刚好把NH₃全部赶出。另一份需消耗cmolBaCl₂,沉淀反应刚好完全，原溶液中硝酸根离子的物质的量浓度为 [ ]

A.  mol/L      

B. mol/L  

C. mol/L        

D. mol/L